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Updated: Jul 12, 2025

Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry
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通过实时飞行时间质谱实时直接分析法医石油鉴定方法的开发

Krishnaja Tikkisetty1, Taylor Filewood1, Jeffrey Yan1

  • 1Pacific and Yukon Laboratory for Environmental Testing, Science and Technology Branch, Pacific Environmental Science Centre, Environment and Climate Change Canada, North Vancouver, British Columbia, Canada. Dayue.Shang@ec.gc.ca.

Analytical methods : advancing methods and applications
|November 2, 2023
PubMed
概括

实时飞行时间质谱法 (DART/TOFMS) 的直接分析提供了一种高效的漏油识别方法. 这种技术提供了与传统方法相似的结果,但是在很短的时间内,在应急响应方面非常有用.

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Mass spectrometry is an important technique for the identification of pure compounds. However, it has some limitations for the analysis of complex mixtures, often due to excessive fragmentation making the spectrum too complicated to decipher. Mass spectrometry can be combined with suitable separation methods in sequence, forming hyphenated methods, which are useful in the analysis of complex mixtures.
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Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
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